Lincoln-electric IM537 SP-170T User Manual

SP-170TOPERATOR’S MANUALIM537-DMarch, 2001Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind. Howe

SP-170TA-3 A-3 INSTALLATIONSELECT SUITABLE LOCATIONLocate the welder in a dry location where there is freecirculation of clean air into the louvers in

A-4 A-4INSTALLATIONWork Cable InstallationRefer to Figure A.2.1. Open the wire feed section door on the right side ofthe SP-170T.2. Pass the end of th

A-5 A-5 INSTALLATION2. With the cylinder securely installed, remove thecylinder cap. Stand to one side away from the out-let and open the cylinder va

A-6A-6INSTALLATIONELECTRICAL INPUT CONNECTION FORRATED OUTPUTELECTRIC SHOCK can kill.• Disconnect input power byremoving plug from receptaclebefore wo

SP-170TB-1 B-1 OPERATIONRead entire operation section beforeoperating the SP-170T.ELECTRIC SHOCK can kill.• Do not touch electrically liveparts or ele

SP-170T64+-B-2 B-2OPERATION● Reversible, dual groove drive roll, shipped readyto feed .023"/.025" (0.6 mm) diameter wire. Thedrive roll

SP-170TB-3 B-3 OPERATIONWELDING OPERATIONSSEQUENCE OF OPERATION Wire LoadingRefer to Figure B.2 and B.3.The machine power switch should be turned to t

B-4 B-4 OPERATIONNote: The brake should be adjusted with a spool ofwire installed. When properly adjusted it shouldmove freely but not coast.Frict

B-5 B-5 OPERATIONMaking A Weld1. See “Process Guidelines” in this section for selec-tion of welding wire and shielding gas and forrange of metal

SP-170TB-6 B-6 OPERATIONThe SP-170T is suitable for .035" aluminum wire and.023"– .035" stainless wire. Refer to Table B.1 for rec-omm

SP-170TFOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be r

SP-170TFumes and slag generated fromInnershield type electrodes recom-mended for use with this weldingmachine can be toxic.• Avoid contact with eyes a

SP-170TB-8 B-8 LEARNING TO WELDThe “arc stream” is seen in the middle of the picture.This is the electric arc created by the electric currentflowing t

SP-170TB-9 B-9 LEARNING TO WELD2. Can I afford the extra expense, space, and lack ofportability required for gas cylinders and gas sup-ply?3. Do I req

SP-170TB-10 B-10 LEARNING TO WELDFIGURE B.12PenetrationUnless a weld penetrates close to 100% of the metalthickness, a butt weld will be weaker than t

SP-170TB-11 B-11 LEARNING TO WELDFIGURE B.16Vertical-down WeldingRefer to Figure B.17 Vertical-down welds are appliedat a fast pace. These welds are t

SP-170TB-12 B-12 LEARNING TO WELDARC RAYS can burn eyes and skin.When using an open arc process, itIs necessary to use correct eye,head and body prote

SP-170TB-13 B-13 LEARNING TO WELDMild Steel 16 gauge or 1/16 inch(1.6 mm)Electrode 0.035" (0.9 mm)NR-211-MPInnershield WireVoltage Setting “V” AW

SP-170TB-14 B-14 LEARNING TO WELDMACHINE SET UP FOR THE GMAW (MIG)PROCESS1. See PROCESS GUIDELINES in the OPERATIONsection for selection of welding wi

SP-170TB-15 Helpful Hints1. For general welding, it is not necessary to weavethe arc, neither forward or backward nor sideways.Weld along at a stead

SP-170TB-16 B-16 LEARNING TO WELD4. After you strike the arc, practice the correct electri-cal stickout. Learn to distinguish it by its sound.5. When

SP-170TiiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc

B-17SP-170TB-17 LEARNING TO WELDProper Gun HandlingMost feeding problems are caused by improper han-dling of the gun cable or electrodes.1. Do not kin

B-18 SP-170TB-18 APPLICATION CHART

C-1 C-1 ACCESSORIESOPTIONAL ACCESSORIES1. K549-1 .035" (0.9 mm) Innershield® Welding Kit— Includes a contact tip, a gasless nozzle and a.035/.

C-2 C-2 ACCESSORIESINNERSHIELD (FCAW) CONVERSIONSeveral changes are needed to convert the unit foroperation with the Innershield (FCAW) process

D-1 D-1 MAINTENANCEMAINTENANCESAFETY PRECAUTIONSELECTRIC SHOCK can kill.• Disconnect input power by removingplug from receptacle before workinginside

D-2 D-2MAINTENANCEGUN AND CABLE MAINTENANCEFOR MAGNUM™ 100L GUNGun Cable CleaningClean cable liner after using approximately 300 lbs(136 kg) of solid

D-3 D-3 MAINTENANCECOMPONENT REPLACEMENT PROCEDURESCHANGING THE CONTACT TIP1. Refer to Figure D.2. Remove the gas nozzle fromthe gun by unscrewing

D-4D-4 MAINTENANCESP-170TCHANGING LINERNOTICE: The variation in cable lengths prevents theinterchangeability of liners. Once a liner has been cutfo

D-5 D-5 MAINTENANCEGUN HANDLE PARTSThe gun handle consists of two halves that are heldtogether with a collar on each end. To open up thehandle, t

E-1 E-1 TROUBLESHOOTINGSP-170TIf for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact y

SP-170TFOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b. Inst

E-2E-2 TROUBLESHOOTINGSP-170TPROBLEMS(SYMPTOMS)Major physical or electrical damageis evident.No wire feed, weld output or gasflow when gun trigger is

E-3 E-3 TROUBLESHOOTINGSP-170TObserve Safety Guidelines detailed in the beginning of this manual.PROBLEMS(SYMPTOMS)No wire feed when gun trigger ispul

SP-170TE-4TROUBLESHOOTINGIf for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact yo

F-1 F-1 WIRING DIAGRAMSELECTRICAL SYMBOLS PER E1537CAVITY NUMBERING SEQUENCE( COMPONENT SIDE OF BOARD )539541213GUN TRIGGERTHERMOSTAT2085KWIRE SPEEDR2

SP-170TNOTES

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ivSAFETYivPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui par

SP-170TThank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product•••

vi vi TABLE OF CONTENTSPageInstallation ...Section

A-1 SP-170TA-1 INSTALLATIONFuse orOutput Mode Input Voltage Breaker Size Input Amps Power CordRATED 230V/60Hz 40 Super Lag 20/22 50 Amp, 250V,208V/60H

A-2A-2INSTALLATIONSAFETY PRECAUTIONSRead entire installation section before startinginstallation.IDENTIFY AND LOCATE COMPONENTSIf you have not already